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Optical quantum technologies with hexagonal boron nitride single photon sources.
Akbar Basha Dhu-Al-Jalali-Wal-Ikram Shaik1, Penchalaiah Palla2
1Center for Nanotechnology Research & Department of Micro and Nanoelectronics, School of Electronics Engineering, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India.
Scientific Reports
|June 11, 2021
Summary
Hexagonal boron nitride (hBN) offers a promising platform for stable single-photon sources. This review highlights advances in hBN quantum emitters for optical quantum technologies.
Area of Science:
- Materials Science
- Quantum Optics
- Condensed Matter Physics
Background:
- Single photon quantum emitters are crucial for advancing optical quantum technologies.
- Hexagonal boron nitride (hBN), a 2D material, hosts robust luminescent point defects suitable for quantum applications.
- These defects exhibit properties that enhance stability and performance as single-photon sources, even at room temperature.
Purpose of the Study:
- To review recent advancements in quantum light emission from hBN.
- To compare hBN quantum emitters with other 2D material-based quantum sources.
- To analyze the performance, fabrication, and potential applications of hBN quantum emitters.
Main Methods:
- Review of recent literature on hBN quantum emitters.
- Comparative analysis of hBN with other 2D quantum light sources.
- Discussion of fabrication, activation, and characterization techniques.
- Exploration of Density-Functional Theory (DFT) predictions for defect structures.
- Analysis of photostability across various temperatures and environments.
Main Results:
- hBN demonstrates potential as a stable room-temperature single-photon source.
- Advances cover fabrication in UV, visible, and near-IR regions.
- Characterization reveals robustness across diverse operating conditions.
- DFT predicts viable defect structures for broad spectral emission.
Conclusions:
- hBN quantum emitters show significant promise for optical quantum technologies.
- Further research into fabrication and defect engineering can optimize performance.
- Applications in quantum communication and photonic circuits are feasible, pending obstacle resolution.
